<template>
  <div class="app-container">
    <div class="filter-container">
      <el-input @keyup.enter.native="handleFilter" style="width: 200px;" class="filter-item"
                placeholder="父菜单ID，一级菜单为0"
                v-model="listQuery.parentId">
      </el-input>
      <el-input @keyup.enter.native="handleFilter" style="width: 200px;" class="filter-item"
                placeholder="菜单名称"
                v-model="listQuery.name">
      </el-input>
      <el-input @keyup.enter.native="handleFilter" style="width: 200px;" class="filter-item"
                placeholder="菜单URL"
                v-model="listQuery.url">
      </el-input>
      <el-input @keyup.enter.native="handleFilter" style="width: 200px;" class="filter-item"
                placeholder="授权(多个用逗号分隔，如：user:list,user:create)"
                v-model="listQuery.perms">
      </el-input>
      <el-input @keyup.enter.native="handleFilter" style="width: 200px;" class="filter-item"
                placeholder="菜单图标"
                v-model="listQuery.icon">
      </el-input>
      <el-input @keyup.enter.native="handleFilter" style="width: 200px;" class="filter-item"
                placeholder="排序"
                v-model="listQuery.orderNum">
      </el-input>
      <el-input @keyup.enter.native="handleFilter" style="width: 200px;" class="filter-item"
                placeholder=""
                v-model="listQuery.status">
      </el-input>
      <el-select @change='handleFilter' clearable class="filter-item" style="width: 130px" v-model="listQuery.type"
                 placeholder="类型">
        <el-option v-for="(item,index) in  typeOptions" :key="item" :label="item" :value="index">
        </el-option>
      </el-select>

      <el-button class="filter-item" type="primary" v-waves icon="el-icon-search" @click="handleFilter">查找
      </el-button>
      <el-button class="filter-item" style="margin-left: 10px;" @click="handleCreate" type="primary"
                 icon="el-icon-edit">添加
      </el-button>
      <el-button class="filter-item" type="primary" :loading="downloadLoading" v-waves icon="el-icon-download"
                 @click="handleDownload">导出
      </el-button>
    </div>

    <el-table :key='tableKey' :data="list" v-loading="listLoading" border fit highlight-current-row
              style="width: 100%;min-height:1000px;">
      <el-table-column align="center" label="序号">
        <template slot-scope="scope">
          <span>{{scope.row.menuId}}</span>
        </template>
      </el-table-column>
      <el-table-column align="center" label="父菜单ID，一级菜单为0">
        <template slot-scope="scope">
          <span>{{scope.row.parentId}}</span>
        </template>
      </el-table-column>
      <el-table-column align="center" label="菜单名称">
        <template slot-scope="scope">
          <span>{{scope.row.name}}</span>
        </template>
      </el-table-column>
      <el-table-column align="center" label="菜单URL">
        <template slot-scope="scope">
          <span>{{scope.row.url}}</span>
        </template>
      </el-table-column>
      <el-table-column align="center" label="授权(多个用逗号分隔，如：user:list,user:create)">
        <template slot-scope="scope">
          <span>{{scope.row.perms}}</span>
        </template>
      </el-table-column>
      <el-table-column align="center" label="菜单图标">
        <template slot-scope="scope">
          <span>{{scope.row.icon}}</span>
        </template>
      </el-table-column>
      <el-table-column align="center" label="排序">
        <template slot-scope="scope">
          <span>{{scope.row.orderNum}}</span>
        </template>
      </el-table-column>
      <el-table-column align="center" label="状态">
        <template slot-scope="scope">
          <span>{{scope.row.status}}</span>
        </template>
      </el-table-column>
      <el-table-column align="center" label="类型">
        <template slot-scope="scope">
          <span>{{scope.row.type}}</span>
        </template>
      </el-table-column>

      <el-table-column align="center" label="操作" width="230" class-name="small-padding fixed-width">
        <template slot-scope="scope">
          <el-button type="primary" size="mini" @click="handleUpdate(scope.row)">编辑</el-button>
          <el-button v-if="scope.row.status!='deleted'" size="mini" type="danger"
                     @click="handleDelete(scope.row)">删除
          </el-button>
        </template>
      </el-table-column>

    </el-table>

    <div class="pagination-container">
      <el-pagination background @size-change="handleSizeChange" @current-change="handleCurrentChange"
                     :current-page="listQuery.page" :page-sizes="[10,20,30, 50]" :page-size="listQuery.limit"
                     layout="total, sizes, prev, pager, next, jumper" :total="total">
      </el-pagination>
    </div>

    <el-dialog :title="textMap[dialogStatus]" :visible.sync="dialogFormVisible">
      <el-form :rules="rules" ref="dataForm" :model="temp" label-position="left" label-width="70px"
               style='width: 400px; margin-left:50px;'>
        <el-form-item label="父菜单ID，一级菜单为0" prop="name">
          <el-input v-model="temp.parentId"></el-input>
        </el-form-item>
        <el-form-item label="菜单名称" prop="name">
          <el-input v-model="temp.name"></el-input>
        </el-form-item>
        <el-form-item label="菜单URL" prop="name">
          <el-input v-model="temp.url"></el-input>
        </el-form-item>
        <el-form-item label="授权(多个用逗号分隔，如：user:list,user:create)" prop="name">
          <el-input v-model="temp.perms"></el-input>
        </el-form-item>
        <el-form-item label="菜单图标" prop="name">
          <el-input v-model="temp.icon"></el-input>
        </el-form-item>
        <el-form-item label="排序" prop="name">
          <el-input v-model="temp.orderNum"></el-input>
        </el-form-item>
        <el-form-item label="状态" prop="name">
          <el-input v-model="temp.status"></el-input>
        </el-form-item>
        <el-form-item label="类型" prop="status">
          <el-select class="filter-item" v-model="temp.type" placeholder="类型">
            <el-option v-for="(item,index) in  typeOptions" :key="item" :label="item"
                       :value="index">
            </el-option>
          </el-select>
        </el-form-item>

      </el-form>
      <div slot="footer" class="dialog-footer">
        <el-button @click="closeDialogForm">取消</el-button>
        <el-button v-if="dialogStatus=='create'" type="primary" @click="createData">确认</el-button>
        <el-button v-else type="primary" @click="updateData">确认</el-button>
      </div>
    </el-dialog>
  </div>
</template>
<style type="stylus">
  .filter-container {
    padding-bottom: 20px;
  }
</style>

<script>
  import { list, save, update, remove } from '../../../api/sysmenu'
  import waves from '@/directive/waves' // 水波纹指令

  export default {
    name: 'test',
    directives: {
      waves
    },
    data() {
      return {
        tableKey: 0,
        list: null,
        total: null,
        listLoading: true,
        listQuery: {
          page: 1,
          limit: 20,
          sidx: 'menu_id',
          order: 'desc',
          parentId: null,
          name: null,
          url: null,
          perms: null,
          icon: null,
          orderNum: null,
          status: null,
          type: null
        },
        typeOptions: ['目录', '菜单', '按钮'],
        temp:
          {
            menuId: null,
            parentId: null,
            name: null,
            url: null,
            perms: null,
            type: null,
            icon: null,
            orderNum: null,
            status: null
          },
        dialogFormVisible: false,
        dialogStatus:
          '',
        textMap:
          {
            update: '修改',
            create:
              '新增'
          },
        rules:
          {
            parentId: [
              {
                required: false, message:
                  '必填字段', trigger:
                  'change'
              }
            ],
            name: [
              {
                required: false, message:
                  '必填字段', trigger:
                  'change'
              }
            ],
            url: [
              {
                required: false, message:
                  '必填字段', trigger:
                  'change'
              }
            ],
            perms: [
              {
                required: false, message:
                  '必填字段', trigger:
                  'change'
              }
            ],
            type: [
              {
                required: false, message:
                  '必填字段', trigger:
                  'blur'
              }
            ],
            icon: [
              {
                required: false, message:
                  '必填字段', trigger:
                  'change'
              }
            ],
            orderNum: [
              {
                required: false, message:
                  '必填字段', trigger:
                  'change'
              }
            ],
            status: [
              {
                required: false, message:
                  '必填字段', trigger:
                  'change'
              }
            ]
          },
        downloadLoading: false,
        qData:
          {
            token: '',
            key:
              ''
          }
      }
    },
    created() {
      this.getList()
    },
    methods: {
      getList() {
        this.listLoading = true
        list(this.listQuery).then(response => {
          this.list = response.data.list
          this.total = response.data.total
          this.listLoading = false
        })
      },
      handleFilter() {
        this.listQuery.page = 1
        this.getList()
      },
      handleSizeChange(val) {
        this.listQuery.limit = val
        this.getList()
      },
      handleCurrentChange(val) {
        this.listQuery.page = val
        this.getList()
      },
      handleModifyStatus(row, status) {
        this.$message({
          message: '操作成功',
          type: 'success'
        })
        row.status = status
      },
      resetTemp() {
        this.temp = {}
      },
      handleCreate() {
        // 存在图片
        this.resetTemp()
        this.dialogStatus = 'create'
        this.dialogFormVisible = true
        this.$nextTick(() => {
          this.$refs['dataForm'].clearValidate()
        })
      },
      handleDelete(row) {
        this.temp = Object.assign({}, row) // copy obj
        this.$confirm('此操作将永久删除该记录, 是否继续?', '提示', {
          confirmButtonText: '确定',
          cancelButtonText: '取消',
          type: 'warning'
        }).then(() => {
          // this.$message({
          //   type: 'success',
          //   message: '删除成功!'
          // })
          this.deleteData()
        })
          .catch(() => {
            this.$message({
              type: 'info',
              message: '已取消删除'
            })
          })
      },
      createData() {
        this.$refs['dataForm'].validate((valid) => {
          if (valid) {
            save(this.temp).then(res => {
              this.temp = res.data
              this.list.unshift(this.temp)
              this.closeDialogForm()
              this.$notify({
                title: '成功',
                message: '创建成功',
                type: 'success',
                duration: 2000
              })
            })
          }
        }
        )
      },
      deleteData() {
        const ids = [this.temp.id]
        remove(ids).then(res => {
          // 从当前队列中移除
          for (const v of this.list
          ) {
            if (v.id === this.temp.id) {
              const index = this.list.indexOf(v)
              this.list.splice(index, 1)
              break
            }
          }
          this.$notify({
            title: '成功',
            message: '删除成功',
            type: 'success',
            duration: 2000
          })
        })
      },
      handleUpdate(row) {
        this.temp = Object.assign({}, row) // copy obj
        this.dialogStatus = 'update'
        this.dialogFormVisible = true
        this.$nextTick(() => {
          this.$refs['dataForm'].clearValidate()
        })
      },
      updateData() {
        this.$refs['dataForm'].validate((valid) => {
          if (valid) {
            const tempData = Object.assign({}, this.temp)
            update(tempData).then(() => {
              for (const v of this.list
              ) {
                if (v.id === this.temp.id) {
                  const index = this.list.indexOf(v)
                  this.list.splice(index, 1, this.temp)
                  break
                }
              }
              this.closeDialogForm()
              this.$notify({
                title: '成功',
                message: '更新成功',
                type: 'success',
                duration: 2000
              })
            })
          }
        }
        )
      },
      closeDialogForm() {
        this.dialogFormVisible = false
      },
      handleDownload() {
        this.downloadLoading = true
        import('@/vendor/Export2Excel').then(excel => {
          const tHeader = [
            '序号',
            '父菜单ID，一级菜单为0',
            '菜单名称',
            '菜单URL',
            '授权(多个用逗号分隔，如：user:list,user:create)',
            '菜单图标',
            '排序',
            '',
            '类型'
          ]
          const filterVal = ['id',
            'parentId',
            'name',
            'url',
            'perms',
            'icon',
            'orderNum',
            'status',
            'type'
          ]
          const data = this.formatJson(filterVal, this.list)
          excel.export_json_to_excel({
            header: tHeader,
            data,
            filename: 'table-list'
          })
          this.downloadLoading = false
        })
      },
      formatJson(filterVal, jsonData) {
        return jsonData.map(v => filterVal.map(j => {
          return v[j]
        }
        ))
      }
    }
  }
</script>
